1、 Method of winter

Because the cold resistance is not high, we should move into a warm indoor environment. The indoor temperature should not be lower than four degrees, otherwise Petunia will grow very slowly and the speed will be close to stagnation. Also put it on the windowsill with sunlight and pay attention to ventilation. Good ventilation can reduce the incidence of diseases and pests and contribute to the health of plants. Always open the windows for ventilation and breathe in the house. In winter, Petunia grows slowly and its metabolism is slow. At this time, the demand for water and fertilizer is reduced. The amount and times of watering and fertilization can be reduced appropriately. The water can be watered after being irradiated by the sun, which can improve the water temperature, make the water temperature closer to the indoor temperature, and is more conducive to plant growth. If the soil in the basin is not too dry, do not water it to prevent too much watering from leading to root rot

2、 Precautions

1. We should pay attention to the prevention and control of diseases and pests. It is easy to cause the harm of aphids and scale insects in winter. Instead of spraying pesticides directly, wipe them off with a rag, disinfect the plants and put them in a ventilated place

2. In winter, the room is relatively dry. You can sprinkle water close to the temperature in the room on the leaves to keep the leaves clean and contribute to the photosynthesis of the leaves